?Compatible?R40403-001, R40403-002, 20054502 and ST9120A, B or C blower controls. ?Replaces?R40403-001, R40403-002, R40403-003, 20054501, ST9120C 2010, 1138-83-1002A, 87H88, R20054502, R38493B001, 87H8801. 1138-100, 1711, HCSI PLC=0, 164322, T9AV5D12-22, 16391, CPC E 94V0, 1138-83-1003A. ?Easy Installation?Provide wiring and instructions for easy and quick installation; moisture-proof, stable, durable, and with a long service life. Operating Line Voltage: 85 to 135 VAC, 50/60Hz / Secondary Control Voltage: 18.0 to 30.0 VAC, 50/60Hz. Maximum Blower Loading: 15FLA, 30LRA @ 120 VAC; 7.5FLA, 15LRA @ 240 VAC / Maximum Inducer Loading: 3FLA, 10LRA @ 120 VAC; 1.5FLA, 5LRA @ 240 VAC